Home / 306,066.20-459,099.30-272,823.80

Finding the Fourth Proportional to 306,066.20, 459,099.30 and 272,823.80

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Solution

The fourth proportional to 306,066.20, 459,099.30 and 272,823.80 is: 409,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,066.20 : 459,099.30 = 272,823.80 : x
  2. Step 2: Convert to fraction form
    306,066.20/459,099.30 = 272,823.80/x
  3. Step 3: Cross multiply
    306,066.20x = 459,099.30 × 272,823.80
  4. Step 4: Simplify right side
    306,066.20x = 125,253,215,603.34
  5. Step 5: Solve for x
    x = 125,253,215,603.34/306,066.20
  6. Step 6: Final answer
    x = 409,235.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.